VLCMovieViewController.m 45.4 KB
Newer Older
Felix Paul Kühne's avatar
Felix Paul Kühne committed
1
//
2
//  VLCMovieViewController.m
Felix Paul Kühne's avatar
Felix Paul Kühne committed
3 4 5 6 7
//  AspenProject
//
//  Created by Felix Paul Kühne on 27.02.13.
//  Copyright (c) 2013 VideoLAN. All rights reserved.
//
8 9
//  Refer to the COPYING file of the official project for license.
//
Felix Paul Kühne's avatar
Felix Paul Kühne committed
10

11
#import "VLCMovieViewController.h"
12
#import "VLCExternalDisplayController.h"
13
#import <AVFoundation/AVFoundation.h>
14
#import <CommonCrypto/CommonDigest.h>
15
#import "UIDevice+SpeedCategory.h"
16
#import "VLCBugreporter.h"
17 18 19

#import "OBSlider.h"
#import "VLCStatusLabel.h"
Felix Paul Kühne's avatar
Felix Paul Kühne committed
20

21
#define INPUT_RATE_DEFAULT  1000.
22 23
#define FORWARD_SWIPE_DURATION 30
#define BACKWARD_SWIPE_DURATION 10
24

25
@interface VLCMovieViewController () <UIGestureRecognizerDelegate, AVAudioSessionDelegate>
26
{
27 28 29 30 31 32 33 34 35 36 37 38 39 40 41
    VLCMediaPlayer *_mediaPlayer;

    BOOL _controlsHidden;
    BOOL _videoFiltersHidden;
    BOOL _playbackSpeedViewHidden;

    UIActionSheet *_subtitleActionSheet;
    UIActionSheet *_audiotrackActionSheet;

    float _currentPlaybackRate;
    NSArray *_aspectRatios;
    NSUInteger _currentAspectRatioMask;

    NSTimer *_idleTimer;

42
    BOOL _shouldResumePlaying;
43
    BOOL _viewAppeared;
44
    BOOL _displayRemainingTime;
45
    BOOL _positionSet;
46
    BOOL _playerIsSetup;
47
    BOOL _isScrubbing;
Ahmad Harb's avatar
Ahmad Harb committed
48 49 50 51 52 53 54

    BOOL _swipeGesturesEnabled;
    NSString * panType;
    UIView *_rootView;
    UIPanGestureRecognizer *_panRecognizer;
    UISwipeGestureRecognizer *_swipeRecognizerLeft;
    UISwipeGestureRecognizer *_swipeRecognizerRight;
55 56
}

Felix Paul Kühne's avatar
Felix Paul Kühne committed
57 58
@property (nonatomic, strong) UIPopoverController *masterPopoverController;
@property (nonatomic, strong) UIWindow *externalWindow;
Felix Paul Kühne's avatar
Felix Paul Kühne committed
59 60
@end

61
@implementation VLCMovieViewController
Felix Paul Kühne's avatar
Felix Paul Kühne committed
62

63 64 65 66 67 68 69
+ (void)initialize
{
    NSUserDefaults *defaults = [NSUserDefaults standardUserDefaults];
    NSDictionary *appDefaults = @{kVLCShowRemainingTime : @(YES)};
    [defaults registerDefaults:appDefaults];
}

Felix Paul Kühne's avatar
Felix Paul Kühne committed
70 71
- (void)dealloc
{
Ahmad Harb's avatar
Ahmad Harb committed
72 73 74 75 76 77 78
    if (_swipeRecognizerLeft)
        [_rootView removeGestureRecognizer:_swipeRecognizerLeft];
    if (_swipeRecognizerRight)
        [_rootView removeGestureRecognizer:_swipeRecognizerRight];
    if (_panRecognizer)
        [_rootView removeGestureRecognizer:_panRecognizer];

79
    [[NSNotificationCenter defaultCenter] removeObserver:self];
Felix Paul Kühne's avatar
Felix Paul Kühne committed
80 81
}

82
#pragma mark - Managing the media item
Felix Paul Kühne's avatar
Felix Paul Kühne committed
83

84
- (void)setMediaItem:(id)newMediaItem
Felix Paul Kühne's avatar
Felix Paul Kühne committed
85
{
86 87
    if (_mediaItem != newMediaItem) {
        [self _stopPlayback];
Felix Paul Kühne's avatar
Felix Paul Kühne committed
88
        _mediaItem = newMediaItem;
89 90 91
        if (_viewAppeared)
            [self _startPlayback];
    }
Felix Paul Kühne's avatar
Felix Paul Kühne committed
92

93
    if (self.masterPopoverController != nil)
Felix Paul Kühne's avatar
Felix Paul Kühne committed
94 95 96
        [self.masterPopoverController dismissPopoverAnimated:YES];
}

97 98 99 100 101 102 103 104 105 106
- (void)setUrl:(NSURL *)url
{
    if (_url != url) {
        [self _stopPlayback];
        _url = url;
        if (_viewAppeared)
            [self _startPlayback];
    }
}

107
- (void)viewDidLoad
Felix Paul Kühne's avatar
Felix Paul Kühne committed
108
{
109
    [super viewDidLoad];
110 111
    self.wantsFullScreenLayout = YES;

112 113
    self.videoFilterView.hidden = YES;
    _videoFiltersHidden = YES;
114
    _hueLabel.text = NSLocalizedString(@"VFILTER_HUE", @"");
115 116
    _hueSlider.accessibilityLabel = _hueLabel.text;
    _hueSlider.isAccessibilityElement = YES;
117
    _contrastLabel.text = NSLocalizedString(@"VFILTER_CONTRAST", @"");
118 119
    _contrastSlider.accessibilityLabel = _contrastLabel.text;
    _contrastSlider.isAccessibilityElement = YES;
120
    _brightnessLabel.text = NSLocalizedString(@"VFILTER_BRIGHTNESS", @"");
121 122
    _brightnessSlider.accessibilityLabel = _brightnessLabel.text;
    _brightnessSlider.isAccessibilityElement = YES;
123
    _saturationLabel.text = NSLocalizedString(@"VFILTER_SATURATION", @"");
124 125
    _saturationSlider.accessibilityLabel = _saturationLabel.text;
    _saturationSlider.isAccessibilityElement = YES;
126
    _gammaLabel.text = NSLocalizedString(@"VFILTER_GAMMA", @"");
127 128
    _gammaSlider.accessibilityLabel = _gammaLabel.text;
    _gammaSlider.isAccessibilityElement = YES;
129
    _playbackSpeedLabel.text = NSLocalizedString(@"PLAYBACK_SPEED", @"");
130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154
    _playbackSpeedSlider.accessibilityLabel = _playbackSpeedLabel.text;
    _playbackSpeedSlider.isAccessibilityElement = YES;

    _positionSlider.accessibilityLabel = NSLocalizedString(@"PLAYBACK_POSITION", @"");
    _positionSlider.isAccessibilityElement = YES;
    _timeDisplay.isAccessibilityElement = YES;

    _audioSwitcherButton.accessibilityLabel = NSLocalizedString(@"CHOOSE_AUDIO_TRACK", @"");
    _audioSwitcherButton.isAccessibilityElement = YES;
    _subtitleSwitcherButton.accessibilityLabel = NSLocalizedString(@"CHOOSE_SUBTITLE_TRACK", @"");
    _subtitleSwitcherButton.isAccessibilityElement = YES;
    _playbackSpeedButton.accessibilityLabel = _playbackSpeedLabel.text;
    _playbackSpeedButton.isAccessibilityElement = YES;
    _videoFilterButton.accessibilityLabel = NSLocalizedString(@"VIDEO_FILTER", @"");
    _videoFilterButton.isAccessibilityElement = YES;
    _resetVideoFilterButton.accessibilityLabel = NSLocalizedString(@"VIDEO_FILTER_RESET_BUTTON", @"");
    _resetVideoFilterButton.isAccessibilityElement = YES;
    _aspectRatioButton.accessibilityLabel = NSLocalizedString(@"VIDEO_ASPECT_RATIO_BUTTON", @"");
    _aspectRatioButton.isAccessibilityElement = YES;
    _playPauseButton.accessibilityLabel = NSLocalizedString(@"PLAY_PAUSE_BUTTON", @"");
    _playPauseButton.isAccessibilityElement = YES;
    _bwdButton.accessibilityLabel = NSLocalizedString(@"BWD_BUTTON", @"");
    _bwdButton.isAccessibilityElement = YES;
    _fwdButton.accessibilityLabel = NSLocalizedString(@"FWD_BUTTON", @"");
    _fwdButton.isAccessibilityElement = YES;
155

156 157
    _scrubHelpLabel.text = NSLocalizedString(@"PLAYBACK_SCRUB_HELP", @"");

158 159
    self.playbackSpeedView.hidden = YES;
    _playbackSpeedViewHidden = YES;
160

161 162 163 164 165
    NSNotificationCenter *center = [NSNotificationCenter defaultCenter];
    [center addObserver:self selector:@selector(handleExternalScreenDidConnect:)
                   name:UIScreenDidConnectNotification object:nil];
    [center addObserver:self selector:@selector(handleExternalScreenDidDisconnect:)
                   name:UIScreenDidDisconnectNotification object:nil];
166 167 168 169 170 171
    [center addObserver:self selector:@selector(applicationWillResignActive:)
                   name:UIApplicationWillResignActiveNotification object:nil];
    [center addObserver:self selector:@selector(applicationDidBecomeActive:)
                   name:UIApplicationDidBecomeActiveNotification object:nil];
    [center addObserver:self selector:@selector(applicationDidEnterBackground:)
                   name:UIApplicationDidEnterBackgroundNotification object:nil];
172

173 174
    _playingExternallyTitle.text = NSLocalizedString(@"PLAYING_EXTERNALLY_TITLE", @"");
    _playingExternallyDescription.text = NSLocalizedString(@"PLAYING_EXTERNALLY_DESC", @"");
175
    if ([self hasExternalDisplay])
176
        [self showOnExternalDisplay];
177

178 179
    self.trackNameLabel.text = self.artistNameLabel.text = self.albumNameLabel.text = @"";

180
    _movieView.userInteractionEnabled = NO;
181 182 183 184 185
    UITapGestureRecognizer *tapOnVideoRecognizer = [[UITapGestureRecognizer alloc] initWithTarget:self action:@selector(toggleControlsVisible)];
    tapOnVideoRecognizer.delegate = self;
    [self.view addGestureRecognizer:tapOnVideoRecognizer];

    _displayRemainingTime = [[[NSUserDefaults standardUserDefaults] objectForKey:kVLCShowRemainingTime] boolValue];
186

187 188 189 190
    UIPinchGestureRecognizer *pinchRecognizer = [[UIPinchGestureRecognizer alloc] initWithTarget:self action:@selector(handlePinchGesture:)];
    pinchRecognizer.delegate = self;
    [self.view addGestureRecognizer:pinchRecognizer];

Ahmad Harb's avatar
Ahmad Harb committed
191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213
    _swipeGesturesEnabled = YES;
    if (_swipeGesturesEnabled) {
        _panRecognizer = [[UIPanGestureRecognizer alloc] initWithTarget:self action:@selector(panRecognized:)];
        [_panRecognizer setMinimumNumberOfTouches:1];
        [_panRecognizer setMaximumNumberOfTouches:1];

        _swipeRecognizerLeft = [[UISwipeGestureRecognizer alloc] initWithTarget:self action:@selector(swipeRecognized:)];
        _swipeRecognizerLeft.direction = UISwipeGestureRecognizerDirectionLeft;
        _swipeRecognizerRight = [[UISwipeGestureRecognizer alloc] initWithTarget:self action:@selector(swipeRecognized:)];
        _swipeRecognizerRight.direction = UISwipeGestureRecognizerDirectionRight;

        UIWindow * window = [[[UIApplication sharedApplication] delegate] window];
        _rootView = window.rootViewController.view;
        [_rootView addGestureRecognizer:_swipeRecognizerLeft];
        [_rootView addGestureRecognizer:_swipeRecognizerRight];
        [_rootView addGestureRecognizer:_panRecognizer];
        [_panRecognizer requireGestureRecognizerToFail:_swipeRecognizerLeft];
        [_panRecognizer requireGestureRecognizerToFail:_swipeRecognizerRight];

        _panRecognizer.delegate = self;
        _swipeRecognizerRight.delegate = self;
        _swipeRecognizerLeft.delegate = self;
    }
214

215
    _aspectRatios = @[@"DEFAULT", @"FILL_TO_SCREEN", @"4:3", @"16:9", @"16:10", @"2.21:1"];
216

217 218 219
    [self.aspectRatioButton setBackgroundImage:[UIImage imageNamed:@"ratioButton"] forState:UIControlStateNormal];
    [self.aspectRatioButton setBackgroundImage:[UIImage imageNamed:@"ratioButtonHighlight"] forState:UIControlStateHighlighted];
    [self.aspectRatioButton setImage:[UIImage imageNamed:@"ratioIcon"] forState:UIControlStateNormal];
Felix Paul Kühne's avatar
Felix Paul Kühne committed
220
    if (SYSTEM_RUNS_IOS7_OR_LATER) {
221
        self.backButton.tintColor = [UIColor colorWithRed:(190.0f/255.0f) green:(190.0f/255.0f) blue:(190.0f/255.0f) alpha:1.];
222 223 224
        self.toolbar.tintColor = [UIColor whiteColor];
        self.toolbar.barTintColor = [UIColor colorWithWhite:0.f alpha:1.f];

225
        CGRect rect = self.positionSlider.frame;
226 227 228 229 230 231 232
        rect.origin.y = rect.origin.y - 5.;
        self.positionSlider.frame = rect;
        rect = self.resetVideoFilterButton.frame;
        rect.origin.y = rect.origin.y + 5.;
        self.resetVideoFilterButton.frame = rect;
    } else {
        [self.toolbar setBackgroundImage:[UIImage imageNamed:@"seekbarBg"] forBarMetrics:UIBarMetricsDefault];
233 234 235
        [self.backButton setBackgroundImage:[UIImage imageNamed:@"playbackDoneButton"] forState:UIControlStateNormal barMetrics:UIBarMetricsDefault];
        [self.backButton setBackgroundImage:[UIImage imageNamed:@"playbackDoneButtonHighlight"] forState:UIControlStateHighlighted barMetrics:UIBarMetricsDefault];
    }
236

237 238 239 240 241 242 243 244 245 246
    /* this looks a bit weird, but we need to support iOS 5 and should show the same appearance */
    UISlider *volumeSlider = nil;
    for (id aView in self.volumeView.subviews){
        if ([[[aView class] description] isEqualToString:@"MPVolumeSlider"]){
            volumeSlider = (UISlider *)aView;
            break;
        }
    }
    [volumeSlider setMinimumTrackImage:[[UIImage imageNamed:@"sliderminiValue"]resizableImageWithCapInsets:UIEdgeInsetsMake(0, 4, 0, 0)] forState:UIControlStateNormal];
    [volumeSlider setMaximumTrackImage:[[UIImage imageNamed:@"slidermaxValue"] resizableImageWithCapInsets:UIEdgeInsetsMake(0, 0, 0, 4)] forState:UIControlStateNormal];
247
    [volumeSlider setThumbImage:[UIImage imageNamed:@"volumeballslider"] forState:UIControlStateNormal];
248 249 250
    [volumeSlider addTarget:self
                     action:@selector(volumeSliderAction:)
           forControlEvents:UIControlEventValueChanged];
251

252
    [[AVAudioSession sharedInstance] setDelegate:self];
253 254 255

    if (UI_USER_INTERFACE_IDIOM() == UIUserInterfaceIdiomPad)
        self.positionSlider.scrubbingSpeedChangePositions = @[@(0.), @(100.), @(200.), @(300)];
256 257

    _playerIsSetup = NO;
258 259 260

    [self.movieView setAccessibilityLabel:NSLocalizedString(@"VO_VIDEOPLAYER_TITLE", @"")];
    [self.movieView setAccessibilityHint:NSLocalizedString(@"VO_VIDEOPLAYER_DOUBLETAP", @"")];
261
}
Felix Paul Kühne's avatar
Felix Paul Kühne committed
262

263 264 265 266 267
- (BOOL)_blobCheck
{
    NSArray *searchPaths = NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES);
    NSString *directoryPath = searchPaths[0];

268
    if (![[NSFileManager defaultManager] fileExistsAtPath:[directoryPath stringByAppendingPathComponent:@"blob.bin"]])
269 270
        return NO;

271
    NSData *data = [NSData dataWithContentsOfFile:[directoryPath stringByAppendingPathComponent:@"blob.bin"]];
272 273 274 275 276 277 278 279 280 281 282 283 284 285
    uint8_t digest[CC_SHA1_DIGEST_LENGTH];
    CC_SHA1(data.bytes, data.length, digest);

    NSMutableString *hash = [NSMutableString stringWithCapacity:CC_SHA1_DIGEST_LENGTH * 2];

    for (unsigned int u = 0; u < CC_SHA1_DIGEST_LENGTH; u++)
        [hash appendFormat:@"%02x", digest[u]];

    if ([hash isEqualToString:kBlobHash])
        return YES;
    else
        return NO;
}

286 287
- (void)viewWillAppear:(BOOL)animated
{
288
    [super viewWillAppear:animated];
289

290
    [self.navigationController setNavigationBarHidden:YES animated:YES];
291

Felix Paul Kühne's avatar
Felix Paul Kühne committed
292
    if (!SYSTEM_RUNS_IOS7_OR_LATER) {
293 294 295
        if (UI_USER_INTERFACE_IDIOM() == UIUserInterfaceIdiomPhone)
            [UIApplication sharedApplication].statusBarStyle = UIStatusBarStyleBlackTranslucent;
    }
296

297 298 299 300 301 302 303 304 305 306 307
    [self _startPlayback];

    [self setControlsHidden:NO animated:YES];
    _viewAppeared = YES;
}

- (void)_startPlayback
{
    if (_playerIsSetup)
        return;

308 309
    NSUserDefaults *defaults = [NSUserDefaults standardUserDefaults];

310 311
    if (!self.mediaItem && !self.url) {
        [self _stopPlayback];
Felix Paul Kühne's avatar
Felix Paul Kühne committed
312
        return;
313
    }
314

315 316 317 318
    _mediaPlayer = [[VLCMediaPlayer alloc] initWithOptions:@[[NSString stringWithFormat:@"--%@=%@", kVLCSettingSubtitlesFont, [defaults objectForKey:kVLCSettingSubtitlesFont]], [NSString stringWithFormat:@"--%@=%@", kVLCSettingSubtitlesFontColor, [defaults objectForKey:kVLCSettingSubtitlesFontColor]], [NSString stringWithFormat:@"--%@=%@", kVLCSettingSubtitlesFontSize, [defaults objectForKey:kVLCSettingSubtitlesFontSize]], [NSString stringWithFormat:@"--%@=%@", kVLCSettingDeinterlace, [defaults objectForKey:kVLCSettingDeinterlace]]]];
    [_mediaPlayer setDelegate:self];
    [_mediaPlayer setDrawable:self.movieView];

319
    VLCMedia *media;
320 321
    if (self.mediaItem) {
        self.title = [self.mediaItem title];
322 323 324 325 326 327 328 329
        MLFile *item = self.mediaItem;
        media = [VLCMedia mediaWithURL:[NSURL URLWithString:item.url]];
        item.unread = @(NO);

        if (item.isAlbumTrack) {
            self.trackNameLabel.text = item.albumTrack.title;
            self.artistNameLabel.text = item.albumTrack.artist;
            self.albumNameLabel.text = item.albumTrack.album.name;
330 331
        } else
            self.trackNameLabel.text = self.artistNameLabel.text = self.albumNameLabel.text = @"";
332
    } else {
333
        media = [VLCMedia mediaWithURL:self.url];
334 335
        self.title = @"Network Stream";
    }
Felix Paul Kühne's avatar
Felix Paul Kühne committed
336

337 338
    [media addOptions:
     @{kVLCSettingStretchAudio :
339
     [[defaults objectForKey:kVLCSettingStretchAudio] boolValue] ? kVLCSettingStretchAudioOnValue : kVLCSettingStretchAudioOffValue, kVLCSettingTextEncoding : [defaults objectForKey:kVLCSettingTextEncoding], kVLCSettingSkipLoopFilter : [defaults objectForKey:kVLCSettingSkipLoopFilter]}];
340

341 342 343 344
    [NSTimeZone resetSystemTimeZone];
    NSString *tzName = [[NSTimeZone systemTimeZone] name];
    NSArray *tzNames = @[@"America/Adak", @"America/Anchorage", @"America/Boise", @"America/Chicago", @"America/Denver", @"America/Detroit", @"America/Indiana/Indianapolis", @"America/Indiana/Knox", @"America/Indiana/Marengo", @"America/Indiana/Petersburg", @"America/Indiana/Tell_City", @"America/Indiana/Vevay", @"America/Indiana/Vincennes", @"America/Indiana/Winamac", @"America/Juneau", @"America/Kentucky/Louisville", @"America/Kentucky/Monticello", @"America/Los_Angeles", @"America/Menominee", @"America/Metlakatla", @"America/New_York", @"America/Nome", @"America/North_Dakota/Beulah", @"America/North_Dakota/Center", @"America/North_Dakota/New_Salem", @"America/Phoenix", @"America/Puerto_Rico", @"America/Shiprock", @"America/Sitka", @"America/St_Thomas", @"America/Thule", @"America/Yakutat", @"Pacific/Guam", @"Pacific/Honolulu", @"Pacific/Johnston", @"Pacific/Kwajalein", @"Pacific/Midway", @"Pacific/Pago_Pago", @"Pacific/Saipan", @"Pacific/Wake"];

345
    if ([tzNames containsObject:tzName] || [[tzName stringByDeletingLastPathComponent] isEqualToString:@"US"]) {
346 347 348 349 350 351 352 353 354 355 356 357
        NSArray *tracksInfo = media.tracksInformation;
        for (NSUInteger x = 0; x < tracksInfo.count; x++) {
            if ([[tracksInfo[x] objectForKey:VLCMediaTracksInformationType] isEqualToString:VLCMediaTracksInformationTypeAudio])
            {
                NSInteger fourcc = [[tracksInfo[x] objectForKey:VLCMediaTracksInformationCodec] integerValue];

                switch (fourcc) {
                    case 540161377:
                    case 1647457633:
                    case 858612577:
                    case 862151027:
                    case 862151013:
358 359
                    case 1684566644:
                    case 2126701:
360
                    {
361 362 363 364
                        if (![self _blobCheck]) {
                            [media addOptions:@{@"no-audio" : [NSNull null]}];
                            APLog(@"audio playback disabled because an unsupported codec was found");
                        }
365 366 367 368 369 370 371 372 373 374
                        break;
                    }

                    default:
                        break;
                }
            }
        }
    }

375 376
    [_mediaPlayer setMedia:media];

377
    self.positionSlider.value = 0.;
378
    [self.timeDisplay setTitle:@"" forState:UIControlStateNormal];
379
    self.timeDisplay.accessibilityLabel = @"";
380

381 382 383 384 385
    if (![self _isMediaSuitableForDevice]) {
        UIAlertView * alert = [[UIAlertView alloc] initWithTitle:NSLocalizedString(@"DEVICE_TOOSLOW_TITLE", @"") message:[NSString stringWithFormat:NSLocalizedString(@"DEVICE_TOOSLOW", @""), [[UIDevice currentDevice] model], self.mediaItem.title] delegate:self cancelButtonTitle:NSLocalizedString(@"BUTTON_CANCEL", @"") otherButtonTitles:NSLocalizedString(@"BUTTON_OPEN", @""), nil];
        [alert show];
    } else
        [self _playNewMedia];
386

387 388
    if (![self hasExternalDisplay])
        self.brightnessSlider.value = [UIScreen mainScreen].brightness * 2.;
389 390 391 392 393 394 395 396 397
}

- (BOOL)_isMediaSuitableForDevice
{
    if (!self.mediaItem)
        return YES;

    NSUInteger totalNumberOfPixels = [[[self.mediaItem videoTrack] valueForKey:@"width"] doubleValue] * [[[self.mediaItem videoTrack] valueForKey:@"height"] doubleValue];

398
    NSInteger speedCategory = [[UIDevice currentDevice] speedCategory];
399

400
    if (speedCategory == 1) {
401 402
        // iPhone 3GS, iPhone 4, first gen. iPad, 3rd and 4th generation iPod touch
        return (totalNumberOfPixels < 600000); // between 480p and 720p
403
    } else if (speedCategory == 2) {
404 405
        // iPhone 4S, iPad 2 and 3, iPod 4 and 5
        return (totalNumberOfPixels < 922000); // 720p
406
    } else if (speedCategory == 3) {
407 408 409 410 411 412 413 414 415 416 417
        // iPhone 5, iPad 4
        return (totalNumberOfPixels < 2074000); // 1080p
    }

    return YES;
}

- (void)alertView:(UIAlertView *)alertView clickedButtonAtIndex:(NSInteger)buttonIndex
{
    if (buttonIndex == 1)
        [self _playNewMedia];
418 419
    else {
        [self _stopPlayback];
420
        [self closePlayback:nil];
421
    }
422 423 424 425
}

- (void)_playNewMedia
{
426
    NSNumber *playbackPositionInTime = @(0);
427
    if (self.mediaItem.lastPosition && [self.mediaItem.lastPosition floatValue] < .95) {
428 429
        if (self.mediaItem.duration.intValue != 0)
            playbackPositionInTime = @(self.mediaItem.lastPosition.floatValue * (self.mediaItem.duration.intValue / 1000.));
430
    }
431 432 433 434
    if (playbackPositionInTime.intValue > 0) {
        [_mediaPlayer.media addOptions:@{@"start-time": playbackPositionInTime}];
        APLog(@"set starttime to %i", playbackPositionInTime.intValue);
    }
435

436 437 438
    [_mediaPlayer addObserver:self forKeyPath:@"time" options:0 context:nil];
    [_mediaPlayer addObserver:self forKeyPath:@"remainingTime" options:0 context:nil];

Felix Paul Kühne's avatar
Felix Paul Kühne committed
439
    [_mediaPlayer play];
440

441 442 443 444 445 446
    if (self.mediaItem) {
        if (self.mediaItem.lastAudioTrack.intValue > 0)
            _mediaPlayer.currentAudioTrackIndex = self.mediaItem.lastAudioTrack.intValue;
        if (self.mediaItem.lastSubtitleTrack.intValue > 0)
            _mediaPlayer.currentVideoSubTitleIndex = self.mediaItem.lastSubtitleTrack.intValue;
    }
447

448 449
    self.playbackSpeedSlider.value = [self _playbackSpeed];
    [self _updatePlaybackSpeedIndicator];
450

451 452
    [self performSelectorInBackground:@selector(_updateExportedPlaybackInformation) withObject:nil];

453 454
    _currentAspectRatioMask = 0;
    _mediaPlayer.videoAspectRatio =  NULL;
455

456
    [self _resetIdleTimer];
457
    _playerIsSetup = YES;
Felix Paul Kühne's avatar
Felix Paul Kühne committed
458 459
}

460
- (void)viewWillDisappear:(BOOL)animated
Felix Paul Kühne's avatar
Felix Paul Kühne committed
461
{
462
    [self _stopPlayback];
463
    _viewAppeared = NO;
464
    if (_idleTimer) {
465
        [_idleTimer invalidate];
466 467
        _idleTimer = nil;
    }
468
    [self.navigationController setNavigationBarHidden:NO animated:YES];
Felix Paul Kühne's avatar
Felix Paul Kühne committed
469
    if (!SYSTEM_RUNS_IOS7_OR_LATER)
470
        [UIApplication sharedApplication].statusBarStyle = UIStatusBarStyleBlackOpaque;
471
    [[UIApplication sharedApplication] setStatusBarHidden:NO withAnimation:UIStatusBarAnimationFade];
472
    [super viewWillDisappear:animated];
473

Felix Paul Kühne's avatar
Felix Paul Kühne committed
474 475 476 477 478 479
    // hide filter UI for next run
    if (!_videoFiltersHidden)
        _videoFiltersHidden = YES;

    if (!_playbackSpeedViewHidden)
        _playbackSpeedViewHidden = YES;
Felix Paul Kühne's avatar
Felix Paul Kühne committed
480 481
}

482 483 484
- (void)_stopPlayback
{
    if (_mediaPlayer) {
485 486 487 488 489 490 491 492
        @try {
            [_mediaPlayer removeObserver:self forKeyPath:@"time"];
            [_mediaPlayer removeObserver:self forKeyPath:@"remainingTime"];
        }
        @catch (NSException *exception) {
            APLog(@"we weren't an observer yet");
        }

493
        if (_mediaPlayer.media) {
494 495 496
            [_mediaPlayer pause];
            [self _saveCurrentState];
            [_mediaPlayer stop];
497
        }
498 499
        if (_mediaPlayer)
            _mediaPlayer = nil;
500 501 502 503 504 505 506
    }
    if (_mediaItem)
        _mediaItem = nil;

    _playerIsSetup = NO;
}

507 508 509
- (void)_saveCurrentState
{
    if (self.mediaItem) {
510 511 512 513 514 515 516 517 518
        @try {
            MLFile *item = self.mediaItem;
            item.lastPosition = @([_mediaPlayer position]);
            item.lastAudioTrack = @(_mediaPlayer.currentAudioTrackIndex);
            item.lastSubtitleTrack = @(_mediaPlayer.currentVideoSubTitleIndex);
        }
        @catch (NSException *exception) {
            APLog(@"failed to save current media state - file removed?");
        }
519 520 521
    }
}

522 523 524 525 526 527 528 529 530 531 532 533 534 535
#pragma mark - remote events

- (void)viewDidAppear:(BOOL)animated
{
    [super viewDidAppear:animated];
    [[UIApplication sharedApplication] beginReceivingRemoteControlEvents];
    [self becomeFirstResponder];
}

- (void)viewDidDisappear:(BOOL)animated
{
    [super viewDidDisappear:animated];
    [[UIApplication sharedApplication] endReceivingRemoteControlEvents];
    [self resignFirstResponder];
536 537

    [[NSUserDefaults standardUserDefaults] setBool:_displayRemainingTime forKey:kVLCShowRemainingTime];
538 539 540 541 542 543 544 545 546 547 548 549 550
}

- (BOOL)canBecomeFirstResponder
{
    return YES;
}

- (void)remoteControlReceivedWithEvent:(UIEvent *)event
{
    switch (event.subtype) {
        case UIEventSubtypeRemoteControlPlay:
            [_mediaPlayer play];
            break;
551

552 553 554 555 556
        case UIEventSubtypeRemoteControlPause:
            [_mediaPlayer pause];
            break;

        case UIEventSubtypeRemoteControlTogglePlayPause:
557
            [self playPause];
558 559 560 561 562 563 564
            break;

        default:
            break;
    }
}

565 566
#pragma mark - controls visibility

567 568 569 570 571 572
- (void)handlePinchGesture:(UIPinchGestureRecognizer *)recognizer
{
    if (recognizer.velocity < 0.)
        [self closePlayback:nil];
}

573 574
- (BOOL)gestureRecognizer:(UIGestureRecognizer *)gestureRecognizer shouldReceiveTouch:(UITouch *)touch
{
Felix Paul Kühne's avatar
Felix Paul Kühne committed
575
    if (touch.view != self.view)
576 577 578 579 580
        return NO;

    return YES;
}

Ahmad Harb's avatar
Ahmad Harb committed
581 582 583 584 585
- (BOOL)gestureRecognizer:(UIGestureRecognizer *)gestureRecognizer shouldRecognizeSimultaneouslyWithGestureRecognizer:(UIGestureRecognizer *)otherGestureRecognizer
{
    return YES;
}

586
- (void)setControlsHidden:(BOOL)hidden animated:(BOOL)animated
587
{
588
    _controlsHidden = hidden;
589
    CGFloat alpha = _controlsHidden? 0.0f: 1.0f;
590

591 592
    if (!_controlsHidden) {
        _controllerPanel.alpha = 0.0f;
593
        _controllerPanel.hidden = !_videoFiltersHidden;
594 595
        _toolbar.alpha = 0.0f;
        _toolbar.hidden = NO;
596 597
        _videoFilterView.alpha = 0.0f;
        _videoFilterView.hidden = _videoFiltersHidden;
598 599
        _playbackSpeedView.alpha = 0.0f;
        _playbackSpeedView.hidden = _playbackSpeedViewHidden;
600
    }
601

602 603
    void (^animationBlock)() = ^() {
        _controllerPanel.alpha = alpha;
604
        _toolbar.alpha = alpha;
605
        _videoFilterView.alpha = alpha;
606
        _playbackSpeedView.alpha = alpha;
607
    };
608

609
    void (^completionBlock)(BOOL finished) = ^(BOOL finished) {
610
        if (_videoFiltersHidden)
611
            _controllerPanel.hidden = _controlsHidden;
612
        else
613
            _controllerPanel.hidden = NO;
614
        _toolbar.hidden = _controlsHidden;
615
        _videoFilterView.hidden = _videoFiltersHidden;
616
        _playbackSpeedView.hidden = _playbackSpeedViewHidden;
617
    };
618

619 620
    UIStatusBarAnimation animationType = animated? UIStatusBarAnimationFade: UIStatusBarAnimationNone;
    NSTimeInterval animationDuration = animated? 0.3: 0.0;
621 622

    [[UIApplication sharedApplication] setStatusBarHidden:_viewAppeared ? _controlsHidden : NO withAnimation:animationType];
623
    [UIView animateWithDuration:animationDuration animations:animationBlock completion:completionBlock];
624 625

    _volumeView.hidden = _controllerPanel.hidden;
626
}
627

628
- (void)toggleControlsVisible
629
{
630 631 632
    if (_controlsHidden && !_videoFiltersHidden)
        _videoFiltersHidden = YES;

633
    [self setControlsHidden:!_controlsHidden animated:YES];
634 635
}

636
- (void)_resetIdleTimer
637 638
{
    if (!_idleTimer)
639
        _idleTimer = [NSTimer scheduledTimerWithTimeInterval:4.
640 641 642 643 644
                                                      target:self
                                                    selector:@selector(idleTimerExceeded)
                                                    userInfo:nil
                                                     repeats:NO];
    else {
645 646
        if (fabs([_idleTimer.fireDate timeIntervalSinceNow]) < 4.)
            [_idleTimer setFireDate:[NSDate dateWithTimeIntervalSinceNow:4.]];
647 648 649 650 651 652 653
    }
}

- (void)idleTimerExceeded
{
    _idleTimer = nil;
    if (!_controlsHidden)
654
        [self toggleControlsVisible];
655

656 657 658 659 660 661
    if (!_videoFiltersHidden)
        _videoFiltersHidden = YES;

    if (!_playbackSpeedViewHidden)
        _playbackSpeedViewHidden = YES;

Felix Paul Kühne's avatar
Felix Paul Kühne committed
662 663
    if (self.scrubIndicatorView.hidden == NO)
        self.scrubIndicatorView.hidden = YES;
664 665
}

666 667
- (UIResponder *)nextResponder
{
668
    [self _resetIdleTimer];
669 670 671
    return [super nextResponder];
}

672 673 674 675
#pragma mark - controls

- (IBAction)closePlayback:(id)sender
{
676
    [self setControlsHidden:NO animated:NO];
677 678 679 680 681
    [self.navigationController popViewControllerAnimated:YES];
}

- (IBAction)positionSliderAction:(UISlider *)sender
{
682 683 684
    /* we need to limit the number of events sent by the slider, since otherwise, the user
     * wouldn't see the I-frames when seeking on current mobile devices. This isn't a problem
     * within the Simulator, but especially on older ARMv7 devices, it's clearly noticeable. */
685
    [self performSelector:@selector(_setPositionForReal) withObject:nil afterDelay:0.3];
686
    VLCTime *newPosition = [VLCTime timeWithInt:(int)(_positionSlider.value * self.mediaItem.duration.intValue)];
687
    [self.timeDisplay setTitle:newPosition.stringValue forState:UIControlStateNormal];
688
    self.timeDisplay.accessibilityLabel = [NSString stringWithFormat:@"%@: %@", NSLocalizedString(@"PLAYBACK_POSITION", @""), newPosition.stringValue];
689
    _positionSet = NO;
690
    [self _resetIdleTimer];
691 692
}

693 694 695 696 697 698 699 700
- (void)_setPositionForReal
{
    if (!_positionSet) {
        _mediaPlayer.position = _positionSlider.value;
        _positionSet = YES;
    }
}

701 702 703 704
- (IBAction)positionSliderTouchDown:(id)sender
{
    [self _updateScrubLabel];
    self.scrubIndicatorView.hidden = NO;
705
    _isScrubbing = YES;
706 707 708 709 710
}

- (IBAction)positionSliderTouchUp:(id)sender
{
    self.scrubIndicatorView.hidden = YES;
711
    _isScrubbing = NO;
712 713 714 715 716 717 718 719 720 721 722 723 724
}

- (void)_updateScrubLabel
{
    float speed = self.positionSlider.scrubbingSpeed;
    if (speed == 1.)
        self.currentScrubSpeedLabel.text = NSLocalizedString(@"PLAYBACK_SCRUB_HIGH", @"");
    else if (speed == .5)
        self.currentScrubSpeedLabel.text = NSLocalizedString(@"PLAYBACK_SCRUB_HALF", @"");
    else if (speed == .25)
        self.currentScrubSpeedLabel.text = NSLocalizedString(@"PLAYBACK_SCRUB_QUARTER", @"");
    else
        self.currentScrubSpeedLabel.text = NSLocalizedString(@"PLAYBACK_SCRUB_FINE", @"");
725 726

    [self _resetIdleTimer];
727 728 729 730 731 732 733
}

- (IBAction)positionSliderDrag:(id)sender
{
    [self _updateScrubLabel];
}

734 735 736 737 738
- (IBAction)volumeSliderAction:(id)sender
{
    [self _resetIdleTimer];
}

739 740
- (void)observeValueForKeyPath:(NSString *)keyPath ofObject:(id)object change:(NSDictionary *)change context:(void *)context
{
741 742 743 744
    if (!_isScrubbing) {
        self.positionSlider.value = [_mediaPlayer position];
    }

745
    if (_displayRemainingTime)
746
        [self.timeDisplay setTitle:[[_mediaPlayer remainingTime] stringValue] forState:UIControlStateNormal];
747
    else
748
        [self.timeDisplay setTitle:[[_mediaPlayer time] stringValue] forState:UIControlStateNormal];
749 750
}

751 752
- (void)mediaPlayerStateChanged:(NSNotification *)aNotification
{
Felix Paul Kühne's avatar
Felix Paul Kühne committed
753 754 755 756
    VLCMediaPlayerState currentState = _mediaPlayer.state;

    if (currentState == VLCMediaPlayerStateError) {
        [self.statusLabel showStatusMessage:NSLocalizedString(@"PLAYBACK_FAILED", @"")];
757
        [self performSelector:@selector(closePlayback:) withObject:nil afterDelay:2.];
Felix Paul Kühne's avatar
Felix Paul Kühne committed
758 759
    }

760 761 762
    if (currentState == VLCMediaPlayerStateEnded || currentState == VLCMediaPlayerStateStopped)
        [self performSelector:@selector(closePlayback:) withObject:nil afterDelay:2.];

763
    UIImage *playPauseImage = [_mediaPlayer isPlaying]? [UIImage imageNamed:@"pauseIcon"] : [UIImage imageNamed:@"playIcon"];
Gleb Pinigin's avatar
Gleb Pinigin committed
764
    [_playPauseButton setImage:playPauseImage forState:UIControlStateNormal];
765 766 767 768 769 770 771 772 773 774

    if ([[_mediaPlayer audioTrackIndexes] count] > 2)
        self.audioSwitcherButton.hidden = NO;
    else
        self.audioSwitcherButton.hidden = YES;

    if ([[_mediaPlayer videoSubTitlesIndexes] count] > 1)
        self.subtitleSwitcherButton.hidden = NO;
    else
        self.subtitleSwitcherButton.hidden = YES;
775 776
}

777
- (IBAction)playPause
778
{
779
    if ([_mediaPlayer isPlaying])
780
        [_mediaPlayer pause];
781
    else
782 783 784 785 786 787 788 789 790 791 792 793 794 795 796
        [_mediaPlayer play];
}

- (IBAction)forward:(id)sender
{
    [_mediaPlayer mediumJumpForward];
}

- (IBAction)backward:(id)sender
{
    [_mediaPlayer mediumJumpBackward];
}

- (IBAction)switchAudioTrack:(id)sender
{
797
    _audiotrackActionSheet = [[UIActionSheet alloc] initWithTitle:NSLocalizedString(@"CHOOSE_AUDIO_TRACK", @"audio track selector") delegate:self cancelButtonTitle:nil destructiveButtonTitle:nil otherButtonTitles: nil];
Felix Paul Kühne's avatar
Felix Paul Kühne committed
798
    NSArray *audioTracks = [_mediaPlayer audioTrackNames];
799 800
    NSArray *audioTrackIndexes = [_mediaPlayer audioTrackIndexes];

801
    NSUInteger count = [audioTracks count];
802 803 804 805 806
    for (NSUInteger i = 0; i < count; i++) {
        NSString *indexIndicator = ([audioTrackIndexes[i] intValue] == [_mediaPlayer currentAudioTrackIndex])? @"\u2713": @"";
        NSString *buttonTitle = [NSString stringWithFormat:@"%@ %@", indexIndicator, audioTracks[i]];
        [_audiotrackActionSheet addButtonWithTitle:buttonTitle];
    }
Felix Paul Kühne's avatar
Felix Paul Kühne committed
807

808
    [_audiotrackActionSheet addButtonWithTitle:NSLocalizedString(@"BUTTON_CANCEL", @"cancel button")];
809
    [_audiotrackActionSheet setCancelButtonIndex:[_audiotrackActionSheet numberOfButtons] - 1];
810
    [_audiotrackActionSheet showInView:self.audioSwitcherButton];
811 812 813 814
}

- (IBAction)switchSubtitleTrack:(id)sender
{
Felix Paul Kühne's avatar
Felix Paul Kühne committed
815
    NSArray *spuTracks = [_mediaPlayer videoSubTitlesNames];
816
    NSArray *spuTrackIndexes = [_mediaPlayer videoSubTitlesIndexes];
Felix Paul Kühne's avatar
Felix Paul Kühne committed
817

818
    NSUInteger count = [spuTracks count];
819 820
    if (count <= 1)
        return;
821
    _subtitleActionSheet = [[UIActionSheet alloc] initWithTitle:NSLocalizedString(@"CHOOSE_SUBTITLE_TRACK", @"subtitle track selector") delegate:self cancelButtonTitle:nil destructiveButtonTitle:nil otherButtonTitles: nil];
Felix Paul Kühne's avatar
Felix Paul Kühne committed
822

823 824 825 826 827 828
    for (NSUInteger i = 0; i < count; i++) {
        NSString *indexIndicator = ([spuTrackIndexes[i] intValue] == [_mediaPlayer currentVideoSubTitleIndex])? @"\u2713": @"";
        NSString *buttonTitle = [NSString stringWithFormat:@"%@ %@", indexIndicator, spuTracks[i]];
        [_subtitleActionSheet addButtonWithTitle:buttonTitle];
    }

829
    [_subtitleActionSheet addButtonWithTitle:NSLocalizedString(@"BUTTON_CANCEL", @"cancel button")];
830
    [_subtitleActionSheet setCancelButtonIndex:[_subtitleActionSheet numberOfButtons] - 1];
831
    [_subtitleActionSheet showInView: self.subtitleSwitcherButton];
832 833 834
}

- (void)actionSheet:(UIActionSheet *)actionSheet clickedButtonAtIndex:(NSInteger)buttonIndex {
835 836
    if (buttonIndex == [actionSheet cancelButtonIndex])
        return;
Felix Paul Kühne's avatar
Felix Paul Kühne committed
837

Felix Paul Kühne's avatar
Felix Paul Kühne committed
838
    NSArray *indexArray;
839
    if (actionSheet == _subtitleActionSheet) {
840 841 842
        indexArray = _mediaPlayer.videoSubTitlesIndexes;
        if (buttonIndex <= indexArray.count) {
            _mediaPlayer.currentVideoSubTitleIndex = [indexArray[buttonIndex] intValue];
843
        }
844
    } else if (actionSheet == _audiotrackActionSheet) {
Felix Paul Kühne's avatar
Felix Paul Kühne committed
845
        indexArray = _mediaPlayer.audioTrackIndexes;
846 847
        if (buttonIndex <= indexArray.count) {
            _mediaPlayer.currentAudioTrackIndex = [indexArray[buttonIndex] intValue];
848
        }
849 850 851
    }
}

852
- (IBAction)toggleTimeDisplay:(id)sender
853 854
{
    _displayRemainingTime = !_displayRemainingTime;
855 856

    [self _resetIdleTimer];
857 858
}

Ahmad Harb's avatar
Ahmad Harb committed
859
#pragma mark - multi-touch gestures
860

861
- (NSString*)detectPanTypeForPan:(UIPanGestureRecognizer*)panRecognizer
Ahmad Harb's avatar
Ahmad Harb committed
862 863 864 865 866 867 868
{
    NSString * type;
    NSString * deviceType = [[UIDevice currentDevice] model];
    type = @"Volume"; // default in case of error
    CGPoint location = [panRecognizer locationInView:_rootView];
    CGFloat position = location.x;

869 870 871 872 873 874 875
    UIInterfaceOrientation orientation = [[UIApplication sharedApplication] statusBarOrientation];
    CGRect screenRect = [[UIScreen mainScreen] bounds];
    CGFloat screenWidth = .0;
    if (orientation == UIDeviceOrientationPortrait)
        screenWidth = screenRect.size.width;
    else
        screenWidth = screenRect.size.height;
Ahmad Harb's avatar
Ahmad Harb committed
876

877 878 879
    if (position < screenWidth / 2)
        type = @"Brightness";
    if (position > screenWidth / 2)
Ahmad Harb's avatar
Ahmad Harb committed
880 881 882 883 884 885 886 887 888 889 890
        type = @"Volume";

    // only check for seeking gesture if on iPad , will overwrite last statements if true
    if ([deviceType isEqualToString:@"iPad"]) {
        if (location.y < 110)
            type = @"Seek";
    }

    return type;
}

891
- (void)panRecognized:(UIPanGestureRecognizer*)panRecognizer